Couldn't decide on some. Starting off with my all-time favorite typing and Pokémon,
Dark: Absol
Normal: Chansey
Fighting: Lucario
Flying: Staraptor
Bug: Scizor
Poison: Crobat or Toxicroak
Psychic: Hisuian Braviary
Ground: Garchomp
Rock: Tyranitar or Sudowoodo
Ghost: Spiritomb or Banette
Steel: Metagross
Fire: Houndoom
Water: Greninja
Grass: Bulbasaur or Turtwig
Electric: Rotom or Luxray
Ice: Lapras
Dragon: Altaria
Fairy: Gardevoir
Least liked Pokémon, starting with my least favorite type;
Poison: Grimer/Muk, the OG "unoriginal" trash Pokémon
Dark: Alolan Meowth. Ew.
Normal: Watchog, even worse than its pre-evolution.
Fighting: Mienshao for that abhorrent evolution level.
Flying: Vullaby, totally unforgettable.
Bug: Blipbug, just look at it.
Psychic: Bruxish, just... ugh.
Ground: Galarian Stunfisk, worse than the original abomination.
Rock: Probopass, EZ.
Ghost: Palossand. Why is this a ghost?
Steel: Magneton for having one of the first unoriginal evolutions.
Fire: Blacephalon, wtf is that?
Water: Tympole for design.
Grass: Foongus/Amoongus, it doesn't need to be pokeball themed.
Electric: Alolan Geodude bc why the hair?
Ice: Smoochum makes me uncomfortable.
Dragon: Dracovish for the ugly.
Fairy: Kelfki has no business being fairy.